TEXT View Source
# UNIDENTIFIED
P54C MAINBOARD
Processor Pentium
Processor Speed 75/90/100MHz
Chip Set Unidentified
Max. Onboard DRAM 768MB
Cache 256/512/1024KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), green PC connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Speaker | CN1 | PCI feature | J11 |
| | | connector | |
|---------------+----------+----------------------+----------|
| Power LED & | CN2 | PCI feature | J12 |
| keylock | | connector | |
|---------------+----------+----------------------+----------|
| Reset switch | CN3 | Green PC connector | JP10 |
|---------------+----------+----------------------+----------|
| Turbo LED | CN4 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+--------+----------------|
| » | CMOS memory normal operation | JP1 | Open |
|---+------------------------------+--------+----------------|
| | CMOS memory clear | JP1 | Closed |
|---+------------------------------+--------+----------------|
| | ADS select normal operation | JP4 | Open |
|---+------------------------------+--------+----------------|
| | ADS select delay ADS | JP4 | Closed |
|---+------------------------------+--------+----------------|
| » | BIOS type select EPROM | JP8 | Open |
|---+------------------------------+--------+----------------|
| | BIOS type select 5v | JP8 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+--------+----------------|
| | BIOS type select 12v | JP8 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 2MB | (2) 256K x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 4MB | (2) 512K x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 6MB | (2) 256K x 36 | (2) 256K x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 12MB | (2) 512K x 36 | (2) 512K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 512K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (2) 1M x 36 | (2) 1M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 512K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 4M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 192MB | (2) 8M x 36 | (2) 8M x 36 | (2) 8M x 36 |
|------------+---------------+---------------+---------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 256MB | (2) 16M x 36 | (2) 8M x 36 | (2) 8M x 36 |
|------------+---------------+---------------+---------------|
| 256MB | (2) 32M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 512MB | (2) 32M x 36 | (2) 32M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 768MB | (2) 32M x 36 | (2) 32M x 36 | (2) 32M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------+--------------+--------------+----------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 8K/(1)16K/(1) |
| | | | 32K x 8 |
|-------+--------------+--------------+----------------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | 1)16K/(1) 32K x 8 |
|-------+--------------+--------------+----------------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP17 | JP18 |
|------------------+--------------------+--------------------|
| 256KB | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 1MB | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP9 |
|----------------------------+-------------------------------|
| 75MHz | Open |
|----------------------------+-------------------------------|
| 90MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 100MHz | pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+